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Diffstat (limited to 'compiler/GHC/Parser/PostProcess.hs')
| -rw-r--r-- | compiler/GHC/Parser/PostProcess.hs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/compiler/GHC/Parser/PostProcess.hs b/compiler/GHC/Parser/PostProcess.hs index 444471abca..e6daea8fe8 100644 --- a/compiler/GHC/Parser/PostProcess.hs +++ b/compiler/GHC/Parser/PostProcess.hs @@ -30,6 +30,7 @@ module GHC.Parser.PostProcess ( mkTyFamInst, mkFamDecl, mkInlinePragma, + mkOpaquePragma, mkPatSynMatchGroup, mkRecConstrOrUpdate, mkTyClD, mkInstD, @@ -2559,8 +2560,22 @@ mkInlinePragma src (inl, match_info) mb_act Nothing -> -- No phase specified case inl of NoInline _ -> NeverActive + Opaque _ -> NeverActive _other -> AlwaysActive +mkOpaquePragma :: SourceText -> InlinePragma +mkOpaquePragma src + = InlinePragma { inl_src = src + , inl_inline = Opaque src + , inl_sat = Nothing + -- By marking the OPAQUE pragma NeverActive we stop + -- (constructor) specialisation on OPAQUE things. + -- + -- See Note [OPAQUE pragma] + , inl_act = NeverActive + , inl_rule = FunLike + } + ----------------------------------------------------------------------------- -- utilities for foreign declarations |